Finding the Fourth Proportional to 411,630.99, 617,091.60 and 159,088.65
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Solution
The fourth proportional to 411,630.99, 617,091.60 and 159,088.65 is: 238,495.82
Step by Step Solution
- Step 1: Write the proportion equation
411,630.99 : 617,091.60 = 159,088.65 : x - Step 2: Convert to fraction form
411,630.99/617,091.60 = 159,088.65/x - Step 3: Cross multiply
411,630.99x = 617,091.60 × 159,088.65 - Step 4: Simplify right side
411,630.99x = 98,172,269,570.34 - Step 5: Solve for x
x = 98,172,269,570.34/411,630.99 - Step 6: Final answer
x = 238,495.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.